Secretary of State William H. Seward introduces Joseph Heco (Hikozo Hamada) to the President. Heco served as an interpreter for the U.S. Consul in Kanagawa. Joseph Heco, The Narrative of a Japanese, 2 vols. (San Francisco: American-Japanese Publishing Association, 1950), 1:299-302.

Senator Nesmith (Oreg.) expresses mistrust of Gen. McClellan to President. Ingalls to Colburn, 12 March 1862, George B. McClellan Papers, Library of Congress, Washington, DC.

Former Governor William Dennison (Ohio) interviews President again on behalf of McClellan. McClellan to Lincoln, 12 March 1862, George B. McClellan Papers, Library of Congress, Washington, DC.

Lincoln transmits to Senate report of secretary of state on railroad systems in Europe. Abraham Lincoln to the Senate, 12 March 1862, CW, 5:156-57.